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Stone-Geary 偏好效用函数
The Stone-Geary function is often used tomodel problems involving subsistence levels of consumption. In these cases, a certain minimal level ofsome good has to be consumed, irrespective of its price or the consumer’sincome.
The Stone-Geary uses the natural logfunction to model utility. The sum ofall the proportions of the goods consumed must equal 1. In the problem below, the subsistence levelsof A and B are α and β. The term I is income, and pk {k=a,b} arethe prices of A and B.
Stone-Geary Utility Function.pdf
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